Structure, transport and magnetic properties in a new layered ferromagnetic perovskite cobalt oxide Sr(2-x)Pr(x)Co04

Authors

Qiwen Yao, University of Wollongong & National Institute for Materials Science, JapanFollow
Xiaolin Wang, University of WollongongFollow
Dongqi Shi, University of WollongongFollow
S X. Dou, University of WollongongFollow

RIS ID

19995

Publication Details

Yao, Q, Wang, X, Shi, D & Dou, SX (2007), Structure, transport and magnetic properties in a new layered ferromagnetic perovskite cobalt oxide Sr(2-x)Pr(x)Co04, Physica C: Superconductivity and its Applications, 460-462(Part 1), pp. 481-482.

Abstract

In this work, we report our studies on the structures, transport, and magnetic properties in the two-dimensional layer structured perovskite compound Sr_2-xPr_xCoO₄. Structure refinement revealed that these compounds crystallized in K₂NiF₄-type structures with space group I4/mmm. The lattice parameters c decreased with Pr doping levels x. The Curie temperatures (T_c) are found to be 200 K for Sr_1.5Pr_0.5CoO₄. The resistivities were found to increase with doping levels x. A large coercive field of about 1 T was found for the sample of x = 0.75.